{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EDNAWX4XJP73E2GH2ZHJDUDUP4","short_pith_number":"pith:EDNAWX4X","canonical_record":{"source":{"id":"1408.4311","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-08-19T12:37:00Z","cross_cats_sorted":[],"title_canon_sha256":"753a28adb64ea44810c975bd906e97f23936076d6fa67e3d9d16ab9387b985cf","abstract_canon_sha256":"3adff74b6acef902b9ff1b50f6553f24362b77816b1ac0b95fea122881cdbf7e"},"schema_version":"1.0"},"canonical_sha256":"20da0b5f974bffb268c7d64e91d0747f031601cc0bdcc18dd9513b54999f1227","source":{"kind":"arxiv","id":"1408.4311","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4311","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4311v1","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4311","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"EDNAWX4XJP73","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"EDNAWX4XJP73E2GH","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"EDNAWX4X","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EDNAWX4XJP73E2GH2ZHJDUDUP4","target":"record","payload":{"canonical_record":{"source":{"id":"1408.4311","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-08-19T12:37:00Z","cross_cats_sorted":[],"title_canon_sha256":"753a28adb64ea44810c975bd906e97f23936076d6fa67e3d9d16ab9387b985cf","abstract_canon_sha256":"3adff74b6acef902b9ff1b50f6553f24362b77816b1ac0b95fea122881cdbf7e"},"schema_version":"1.0"},"canonical_sha256":"20da0b5f974bffb268c7d64e91d0747f031601cc0bdcc18dd9513b54999f1227","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:38.725371Z","signature_b64":"ExZwCYkCNkuKsZcgUeoldQ3WAdmbqTyaadfBE//w1563KEP3VNA47dyhst2D7ujHAMUyWUPCZeqs5jczDczhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20da0b5f974bffb268c7d64e91d0747f031601cc0bdcc18dd9513b54999f1227","last_reissued_at":"2026-05-18T02:29:38.724969Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:38.724969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.4311","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TnM0hL35NQitxtdOLJA3JRb+xMidNsKQx/n2Gd/L/sW9fJz8d6lLUUFCPcEa/yHrMpHydgBo9bajKsQ5gZzpCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:34:47.213044Z"},"content_sha256":"f74ad2852be9c4c2d03211bc9fad8045fe613e85775f554e3d67cbedb725172a","schema_version":"1.0","event_id":"sha256:f74ad2852be9c4c2d03211bc9fad8045fe613e85775f554e3d67cbedb725172a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EDNAWX4XJP73E2GH2ZHJDUDUP4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Whole-body counter survey results 4 months after the Fukushima Daiichi NPP accident in Minamisoma City, Fukushima","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Masaharu Tsubokura, Ryugo S. Hayano, Satoshi Kowata, Shuhei Nomura, Tatsuo Hanai, Tomoyoshi Oikawa, Tsuyoshi Nemoto, Yuki Kumemoto, Yukio Kanazawa, Yuni Watanabe","submitted_at":"2014-08-19T12:37:00Z","abstract_excerpt":"Using the first WBC unit installed in Fukushima Prefecture after the accident, the radiocesium body burdens of 566 high-risk residents of Minamisoma city were measured in July 2011 at the Minamisoma Municipal General Hospital. The analysis of the data was challenging because this chair-type WBC unit did not have sufficient shielding against background gamma rays, and methods had to be developed to reliably compensate for the body-attenuated background radiation. Fortunately, data for repeated tests of hospital staff members using both the chair-type and well-shielded FASTSCAN WBC units, instal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4311","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JVPqM344O7WNadrxI/NRYtCDZvbyjRxKBHHc4uiDipTI9zw9VsQkhg/PXN1A+P3aPTVs1vbquBzZkoQJJWRMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:34:47.213730Z"},"content_sha256":"762cf844d4ed49b2811696062fd9d0f43e33ea16d5dd6b70f27458d70f10f3b8","schema_version":"1.0","event_id":"sha256:762cf844d4ed49b2811696062fd9d0f43e33ea16d5dd6b70f27458d70f10f3b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EDNAWX4XJP73E2GH2ZHJDUDUP4/bundle.json","state_url":"https://pith.science/pith/EDNAWX4XJP73E2GH2ZHJDUDUP4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EDNAWX4XJP73E2GH2ZHJDUDUP4/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-07T15:34:47Z","links":{"resolver":"https://pith.science/pith/EDNAWX4XJP73E2GH2ZHJDUDUP4","bundle":"https://pith.science/pith/EDNAWX4XJP73E2GH2ZHJDUDUP4/bundle.json","state":"https://pith.science/pith/EDNAWX4XJP73E2GH2ZHJDUDUP4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EDNAWX4XJP73E2GH2ZHJDUDUP4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EDNAWX4XJP73E2GH2ZHJDUDUP4","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3adff74b6acef902b9ff1b50f6553f24362b77816b1ac0b95fea122881cdbf7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-08-19T12:37:00Z","title_canon_sha256":"753a28adb64ea44810c975bd906e97f23936076d6fa67e3d9d16ab9387b985cf"},"schema_version":"1.0","source":{"id":"1408.4311","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4311","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4311v1","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4311","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"EDNAWX4XJP73","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"EDNAWX4XJP73E2GH","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"EDNAWX4X","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:762cf844d4ed49b2811696062fd9d0f43e33ea16d5dd6b70f27458d70f10f3b8","target":"graph","created_at":"2026-05-18T02:29:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Using the first WBC unit installed in Fukushima Prefecture after the accident, the radiocesium body burdens of 566 high-risk residents of Minamisoma city were measured in July 2011 at the Minamisoma Municipal General Hospital. The analysis of the data was challenging because this chair-type WBC unit did not have sufficient shielding against background gamma rays, and methods had to be developed to reliably compensate for the body-attenuated background radiation. Fortunately, data for repeated tests of hospital staff members using both the chair-type and well-shielded FASTSCAN WBC units, instal","authors_text":"Masaharu Tsubokura, Ryugo S. Hayano, Satoshi Kowata, Shuhei Nomura, Tatsuo Hanai, Tomoyoshi Oikawa, Tsuyoshi Nemoto, Yuki Kumemoto, Yukio Kanazawa, Yuni Watanabe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-08-19T12:37:00Z","title":"Whole-body counter survey results 4 months after the Fukushima Daiichi NPP accident in Minamisoma City, Fukushima"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4311","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:f74ad2852be9c4c2d03211bc9fad8045fe613e85775f554e3d67cbedb725172a","target":"record","created_at":"2026-05-18T02:29:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3adff74b6acef902b9ff1b50f6553f24362b77816b1ac0b95fea122881cdbf7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-08-19T12:37:00Z","title_canon_sha256":"753a28adb64ea44810c975bd906e97f23936076d6fa67e3d9d16ab9387b985cf"},"schema_version":"1.0","source":{"id":"1408.4311","kind":"arxiv","version":1}},"canonical_sha256":"20da0b5f974bffb268c7d64e91d0747f031601cc0bdcc18dd9513b54999f1227","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20da0b5f974bffb268c7d64e91d0747f031601cc0bdcc18dd9513b54999f1227","first_computed_at":"2026-05-18T02:29:38.724969Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:38.724969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ExZwCYkCNkuKsZcgUeoldQ3WAdmbqTyaadfBE//w1563KEP3VNA47dyhst2D7ujHAMUyWUPCZeqs5jczDczhAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:38.725371Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.4311","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f74ad2852be9c4c2d03211bc9fad8045fe613e85775f554e3d67cbedb725172a","sha256:762cf844d4ed49b2811696062fd9d0f43e33ea16d5dd6b70f27458d70f10f3b8"],"state_sha256":"67b96c5c519629f5d5b184cfa8ec0eea7d2f665cd3e8263f35cbb01401931e38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGfsdcCEz2QKrYOgrMSqH9PZUH32qCBd9iQB+OXNWPVUPe22SAGnFHMiRwuUXU56eQSOvuYioa3eE2/si5TcBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T15:34:47.217397Z","bundle_sha256":"aa3137ba73a669ee75305fbcea3148ef0604c8c6aeb4cf57915ebdfae39c8a51"}}